16
OPTIONAL VACUUM BREAK INSTALLATION
Location
Selectasuitableverticalsurfacethatisaccessibleandincloseproximitytotheozonegeneratorandventurimanifoldonwhichto
mountthevacuumbreak.
Installation Steps
1. InstallthetwomountingClic
®
clampsprovidedontheverticalsurfacesothatthevacuumbreakwillbeinaverticalpositionand
theheightofthell/drainvalvettingwillbebelowtheleveloftheozonegeneratorbulkheadcheckvalve.Oneclampshould
belocateddirectlyabovethevacuumbreak’sbottomendcapandtheotherjustbelowthell/drainttingtee.
2. Installthetworeducerbushingsprovidedintotherisertee,oneintothesidetappingandtheotherintothetoptapping.
Besuretouse2-3wrapsofTeon
®
tape on the male threads.
3. InstallthePVCballvalveprovidedintothereducerbushinginthesidetappingontherisertee.Besuretouse2-3wrapsof
Teon
®
tapeonthemalethreads.Thisvalvecontrolstheamountofwaterthatisdrawnupintotherisertubebythesuction
oftheventuri.Itcanalsobeusedtoisolatetheventurishouldacheckvalvefail.
4. Installthe90ºKynar
®
ttingprovidedintothereducerbushingonthetoptappingontherisertee.Besuretouse2-3
wrapsofTeon
®
tape on the male threads.
5. Placethetwo-inchdiameterwaterreservoirintothemountingClic
®
clampsandsecure.Checktomakesuretheheightofthe
ll/drainttingisbelowtheleveloftheozonegeneratorbulkheadcheckvalve.
6.Slidetherisertubeintothewaterreservoir.
7. Attachoneendofasuitablelengthof1/4”Teon
®
tubingprovidedtothe90ºKynar
®
compressionttingonthetopof
therisertee.Attachtheotherendofthetubingtothebulkheadcheckvalveonthebottomoftheozonegenerator.The
lengthofthetubingwilldependonthedistancebetweenthevacuumbreakandtheozonegenerator.
8. Initiatewaterowthroughthesystem(e.g.,startthecirculationpumporboosterpump)sowaterisowingthroughthe
venturiinjector.Adjustthesuctionattheventuriwithahand-heldSCFHgauge,matchingtheairowtothecorrect
specicationasoutlinedonpages17and18.
9. ClosethePVCballvalveontherisertee.Usingthestraightcompressionttingprovided,attachanothersuitablelength
of1/4”Teon
®
tubingtotheoutletofthePVCballvalve.Attachtheotherendofthetubingtothecompressionttingonthe
venturicheckvalveassembly.
10. Turnthell/drainttingsotheopeningfacesupwardandaddwatertothewaterreservoiruntilitbeginstooverowoutofthe
ll/draintting.Nowturnthettingsotheopeningfacesdownward.
11. SlowlyopenthePVCballvalveontherisertee,allowingthewaterlevelintherisertubetorisetoalevelnocloserthantwo
inches from the bottom of the riser tee.
12.Connectasuitablelengthofthe3/4”braidedtubingprovidedtothebarbedttingonthell/draintting.Makesure
theopenendofthetubinggoestosafe,properdrainageandthatthetubehasnoowrestrictions.
13.Runthesystemtoensurethewaterlevelintherisertubeisstabilized.
Note:Theproperwaterlevelmustbemaintainedinthewaterreservoir.Whenfull,thereservoircontainsabouttwicetheamount
ofwaterrequiredtolltherisertube,soitmustalwaysbekeptatleasthalffull.Aninsufcientwaterlevelwillresultinalossof
vacuum,preventingairowthroughtheozonegenerator.
Plumbing Connections - continued